Remineralization Gel Revitalizes and Desensitize enamel after teeth whitening. *Allows the enamel to actively remineralize itself in the presence of fluorides, calcium and phosphate. *Strengthens tooth enamel - Proven to remineralize small invisible lesions. *Revitalize enamel after the Teeth Bleaching process. *Easy to apply. Place in your mouth trays for 5 minutes for best results. *Can be applied before bed to provide thorough night time reminerilization. *Contains small amounts of sodium fluoride - The fluoride binds other minerals to the enamel. *Contains all the elements needed for the remineralization process in decalcified teeth.